Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
  • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
  • E04B1/2604—Connections specially adapted therefor
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/38—Connections for building structures in general
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C3/00—Structural elongated elements designed for load-supporting
  • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
  • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
  • E04C3/122—Laminated
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C3/00—Structural elongated elements designed for load-supporting
  • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
  • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
  • E04C3/125—End caps therefor
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C3/00—Structural elongated elements designed for load-supporting
  • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
  • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
  • E04C3/18—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with metal or other reinforcements or tensioning members
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
  • F16B2/00—Friction-grip releasable fastenings
  • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
  • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
  • F16B2/065—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using screw-thread elements
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
  • F16B2/00—Friction-grip releasable fastenings
  • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
  • F16B2/14—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using wedges
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
  • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
  • E04B1/2604—Connections specially adapted therefor
  • E04B2001/2628—Interlocking connectors, e.g. with hooks or dovetails, added to the elongated wooden members
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
  • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
  • E04B1/2604—Connections specially adapted therefor
  • E04B2001/2664—Connections specially adapted therefor using a removable key
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
  • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
  • E04B1/2604—Connections specially adapted therefor
  • E04B2001/2672—Connections specially adapted therefor for members formed from a number of parallel sections

Definitions

• the present invention relates to a device for coupling two vertical components, comprising a support made of wood, in particular glued laminated timber, and for each end face of the carrier, a connector for connecting the end face with one of the vertical components, each connector two fittings, one of which with his one side mounted on one end face of the carrier and the other with its one side to the respective vertical component is mountable and the fittings with their respective other sides are abuttable to each other, and two clamping jaws which take the fittings at diametral ends and by means of at least one can be tensioned against each other approximately parallel to the said other sides extending clamping element.
• Connectors for such devices are sold for example by Knapp GmbH, Euratsfeld, Austria, under the brand Megant and are particularly suitable for building heavy-duty joints in timber engineering, for example, for connecting columns, posts, walls or similar vertical components using main, secondary - and / or cross members.
• the fittings and clamping jaws are usually made of metal, e.g. high strength aluminum.
• the beams used with such connectors are made of wood, for example glued laminated timber (BSH), in particular laminated beams, they have a better heat and fire resistance and, with the same load-bearing capacity, a lower weight than in the case of For example, steel beams; however, wooden beams are more voluminous.
• BSH glued laminated timber
• the vertical components such as walls, columns, posts or the like., Can also be made of wood, but also of concrete, masonry or metal.
• the invention has for its object to provide a device which combines simple structure and rapid applicability with particularly high load capacity and durability with respect to the coupling of the vertical components, so that permanently larger forces can be accommodated with the same weight or the same size.
• the carrier has a lower flange made of steel, which lower flange is anchored on each end side of the carrier to the fitting mounted thereon, wherein at least one tendon for tensioning the lower leg is provided.
• the steel bottom flange gives the carrier increased load capacity with the same weight or the same size.
• the lower flange is formed by at least one steel cable or by at least one rod, wherein a separate tensioning element is provided for each steel cable or each rod.
• Wooden beams with lower chords of this type are known, for example, from the specifications JP 2005 076318 A and US Pat. No. 5,050,366 A.
• Steel ropes and bars are equally available in many tensile embodiments, steel cables are particularly easy to handle due to their flexibility and rods stiffer and particularly cost-effective. Separate tendons for each steel wire or rod simplify handling during clamping and assembly of the device.
• tensioning the lower belt can be done using turnbuckles.
• the tensioning member comprises at least one threaded sleeve mounted on the lower flange and at least one screwed to the fitting, screwed to the threaded sleeve Clamping screw. This can even be used with suitable clamping screws a conventional connector.
• the carrier has a chamfer extending from its underside to the end side for the purpose of fitting the clamping member.
• the tendon can be spatially received and, if desired, e.g. be subsequently wood-clad together with the connector to meet aesthetic and / or fire protection pads easier.
• the clamping screw is anchored at an angle to the fitting and the chamfer has a chamfer angle corresponding thereto. The tendon can rest against the chamfer.
• the carrier has an edge protection for an edge formed between the bottom and chamfer.
• the edge protection prevents damage to the wooden support by the steel bottom flange and at the same time a loss of tension of the lower belt due to a scoring of the wearer or its edge through the lower flange.
• the lower flange is received in a wood-covered groove on the underside of the carrier.
• the carrier also has on its upper side a top flange made of steel, which is coupled to each end face of the carrier with the fitting mounted thereon, wherein at least one tendon for Tensioning the upper belt is provided.
• the additional upper belt causes a further reduction of the carrier volume with the same strength.
• the carrier preferably has a chamfer running from its upper side to the front side for the purpose of applying the tensioning element for the upper flange. Further, it is favorable for fire safety reasons, when the upper flange is received in a wood-covered groove on the upper side of the carrier.
• FIG. 2 a and 2 b show an end section of the device according to the invention for coupling two vertical components with a connector without (FIG. 2 a) and with (FIG. 2 b) carrier in a perspective view obliquely from above, FIG.
• Fig. 3 shows the detail of the device of Fig. 2b in a state coupled to a vertical component state in longitudinal section
• Fig. 4 shows two variants of the device according to the invention in a coupled to two vertical components state in longitudinal section.
• Fig. 1 shows an arrangement 1 'according to the prior art with a plurality of vertical components 2, such as columns, posts or walls, which are coupled together by support 3 and thereto each end-mounted connector 4.
• Carrier 3 and / or vertical components 2 can carry further components of the arrangement 1 'in the sequence, eg a false ceiling, a roof construction, etc., etc.
• the vertical members 2 are preferably made of wood, but may alternatively be e.g. made of steel, masonry or concrete (with and without reinforcement).
• the supports 3, e.g. Main beams, secondary beams and / or cross beams are made of wood, for example glued laminated timber (BSH), the connectors 4 are preferably made of metal, e.g. high-strength aluminum.
• each connector 4 has two fittings 5, 6, of which one fitting 5 is mounted with its one side 7 on one end face 8, 9 of the support 3, and the other fitting 6 with its one side 10th is mounted on the vertical component 2.
• the fittings 5, 6 are brought into abutment with their respective other sides 11, 12 (see also FIGS. 2a and 2b).
• screws 13, rivets od For mounting the fittings 5, 6 on the carrier 3 or vertical component 2, for example, screws 13, rivets od. Like. used, of which optionally at least one can be arranged obliquely depending on the loading direction. In the example of Fig. 1 - as well as in those of Figs. 2a to 4 - is in each case a screw 13 obliquely upward, approximately horizontal and a oriented obliquely downwards. It is understood that screws 13 of other numbers and orientations are possible and in particular the two fittings 5, 6 of a connector 4 screws 13 may have different numbers and / or orientation.
• the fittings 5, 6 are at their diametral ends 14,
• each clamping jaws 18, 19 has a keyway 21 for receiving the abutting, complementary wedge-shaped ends 14, 15, 16, 17 of the fittings 5, 6.
• clamping element 20 is for example a threaded rod 22 in question, which in a known manner, e.g. with washer 23 and nut 24 can be tensioned.
• the threaded rod 22 of the at least one clamping element 20 is optionally accommodated in mutually facing half-hollows 25, 26 (FIGS. 2 a, 2 b) of the other sides 11, 12 of the fittings 5, 6.
• FIGS. 2a to 4 an arrangement 1 with a device 27 according to the invention for coupling two vertical components 2 will be explained below, wherein like or comparable elements have the same reference numerals as in Fig. 1 for ease of understanding.
• the carriers 3 have a lower flange 28 made of steel and an optional upper flange 29 likewise of steel, which are each anchored to the fittings 5 mounted on each end face 8, 9 of the carrier 3 in order to increase the stability.
• the vertical components 2 are coupled to one another via the connectors 4 on both sides of the carrier 3.
• at least one tensioning member 30 is provided, and for tensioning the upper belt 29, if present, at least one tensioning member 31 is provided.
• the lower flange 28 - as well as the optional upper flange 29 - is formed by at least one steel cable 32 or by at least one rod.
• lower and upper straps 28, 29 are each formed by two steel cables 32.
• a separate tendon 30, 31 is provided;
• a common tendon 30, 31 could be provided for all steel cables 32 or bars of the lower belt 28 or the upper belt 29.
• Tensioning members 30 may be provided in the region of merely one end face 8 of the carrier 3, ie only at one end face of the lower belt 28, and the lower belt 28 on the fitting 5, which is mounted on the other end face 9 of the carrier 3, be firmly anchored; Alternatively, a tensioning member 30 may be provided at any other location, eg, approximately in the middle of the lower belt 28, and the lower belt 28 may be attached to the fittings mounted on both end faces 8, 9 of the carrier 3 5 firmly anchored. In the examples of FIG. 4, the lower flange 28 is anchored on both end faces 8, 9 of the carrier 3 via a respective tension member 30 on the respective fitting 8.
• the clamping member 30 comprises at least one threaded sleeve 33 mounted on the lower flange 28 and at least one clamping screw 34, which is coupled, on the one hand, with the fitting 5 mounted on the front side 8, 9 of the carrier 3 and, on the other hand, with the threaded sleeve 33 is screwed.
• the said coupling of the clamping screw 34 to the fitting 5 is effected by a head 35 of the clamping screw 34, which is retained in a bore 36 of the fitting 5.
• the bore 36 is preferably a stepped or countersunk bore, so that the screw head 35 does not project on the said other side 11 of the fitting 5.
• the clamping member 30 may be embodied in another manner known to those skilled in the art, for example as a turnbuckle or by an external thread on the lower flange - e.g. in one embodiment as a rod with threads at its ends - with a complementary, anchored to the fitting 5 threaded sleeve.
• the underside-and also the upper side-of the carrier 3 can border on one or both sides at a right angle to the respective front side 8, 9, as shown in the right-hand example of FIG. 4 for the upper side of the carrier 3, and furthermore the lower flange 28 on the entire underside of the carrier 3 straight and optionally also anchored at right angles to the fitting 5.
• the carrier 3 has on one or both of its end faces 8, 9 a chamfer 37 extending from its underside to the end face 8 for abutment of the clamping member 30.
• the chamfer 37 causes a deflection of the lower chord 28 and thus the force acting on the carrier 3 and the fitting 5 force direction, which on the design of the chamfer angle (Fig. 3) - and the bore 36 through the fitting 5 - can be adapted to the requirements.
• the chamfer angle to the use of an existing fitting 5 or connector 4 can be adjusted by the chamfer angle to the obliquely anchored to the existing fitting 5 clamping screw 34 is executed correspondingly.
• the carrier 3 has an edge protector 38, e.g. made of sheet metal or an artificial or composite material with good sliding own shanks, which protects at least that edge 39 which forms between the underside of the carrier 3 and chamfer 37 against a notching by the lower flange 28 and facilitates its sliding during clamping.
• the edge protector 38 may optionally be narrower than the support 3 itself and thereby the edge 39, e.g. cover only in the area of the lower leg 28. If desired, the edge protector 38 may extend from the underside of the carrier 3 over the chamfer 37 and the end face 8 to the top of the carrier 3, as in the examples of FIGS. 2a to 4.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Wood Science & Technology (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Mechanical Engineering (AREA)
• Joining Of Building Structures In Genera (AREA)
• Rod-Shaped Construction Members (AREA)

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Applications Claiming Priority (2)

Publications (1)

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• 2017
  • 2017-02-24 EP EP17157822.2A patent/EP3366855B1/de active Active
• 2018
  • 2018-02-20 CA CA3052104A patent/CA3052104A1/en active Pending
  • 2018-02-20 US US16/488,234 patent/US10822788B2/en active Active
  • 2018-02-20 WO PCT/EP2018/054143 patent/WO2018153855A1/de active Application Filing
  • 2018-02-20 CN CN201880013682.6A patent/CN110475935B/zh active Active

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